<template>
  <el-row class="tac">
    <el-col :span="24">
      <el-menu
        :uniqueOpened="true"
        default-active="1-1"
        class="el-menu-vertical-demo"
        @open="handleOpen"
        @close="handleClose"
        background-color="#66b1ff"
        text-color="#fff"
        active-text-color="#ffd04b">
        <el-submenu index="1">
          <template #title>
            <span>导航一</span>
          </template>
          <el-menu-item-group>
            <template #title>分组一</template>
            <el-menu-item index="1-1">选项1</el-menu-item>
            <el-menu-item index="1-2">选项2</el-menu-item>
          </el-menu-item-group>
          <el-menu-item-group title="分组2">
            <el-menu-item index="1-3">选项3</el-menu-item>
          </el-menu-item-group>
        </el-submenu>

      </el-menu>
    </el-col>
  </el-row>
</template>

<script>
  export default {
    name: "menu",
    setup() {
      function handleOpen(key, keyPath) {
        console.log(key, keyPath);
      }

      function handleClose(key, keyPath) {
        console.log(key, keyPath);
      }

      return {handleOpen, handleClose}
    }
  }
</script>

<style scoped>
  .tac {
    width: 240px;
  }
</style>